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Coding mk4 caddy

Discussions of VAGHelper utility and everything regarding light schemes of platform PQ35/46
adrianmurtezaj
Posts: 6
Joined: 04 Dec 2020 21:56

Coding mk4 caddy

Post by adrianmurtezaj » 10 May 2021 18:41

got a question. I wanted to add a RHD rear light to a caddy mk4 LHD (pq35 platform) and recode the fog light as reserve light.

Now when i code it, it doesnt work. When i code the light as a brake light, it works as a brake light.

It is channel b50 and i tried to code it as C28. Somebody who knows? Does something has to be changed in the longcoding of 09 to accept it?
byte 18 is 00 (eeprom) but that speaks for itself as it works as a brake light.

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skodapilot
Site Admin
Posts: 463
Joined: 13 Jan 2014 06:18

Re: Coding mk4 caddy

Post by skodapilot » 11 May 2021 08:49

I didn't not work with light schemes for Pq35 for a lot of time, but as far as I remember, all functions have different priority and some combinations are unworking.
B50 can be used as foot well light, so you have to ensure that this option are disabled in LC.
Change of FW version can be good choice too and older version can be preferred than newest

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adrianmurtezaj
Posts: 6
Joined: 04 Dec 2020 21:56

Re: Coding mk4 caddy

Post by adrianmurtezaj » 11 May 2021 09:58

skodapilot wrote:I didn't not work with light schemes for Pq35 for a lot of time, but as far as I remember, all functions have different priority and some combinations are unworking.
B50 can be used as foot well light, so you have to ensure that this option are disabled in LC.
Change of FW version can be good choice too and older version can be preferred than newest

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What i find really weird that is: when i code it off it doesnt have any function. When i code it as a brake light it works. But reverse not... Why?

B50 is footwell lights too but that is disabled in long coding

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skodapilot
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Posts: 463
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Re: Coding mk4 caddy

Post by skodapilot » 11 May 2021 10:27

This is nature of old PQ35 platform: BCM outputs have small flexibility and limited operation modes that are depending of FW version

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adrianmurtezaj
Posts: 6
Joined: 04 Dec 2020 21:56

Re: Coding mk4 caddy

Post by adrianmurtezaj » 11 May 2021 10:28

skodapilot wrote:This is nature of old PQ35 platform: BCM outputs have small flexibility and limited operation modes that are depending of FW version

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Can u help me how to fix? :)

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skodapilot
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Posts: 463
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Re: Coding mk4 caddy

Post by skodapilot » 11 May 2021 10:34

Unfortunately, I have no solution for you, but FW is preferred for my opinion.

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adrianmurtezaj
Posts: 6
Joined: 04 Dec 2020 21:56

Re: Coding mk4 caddy

Post by adrianmurtezaj » 11 May 2021 10:34

skodapilot wrote:Unfortunately, I have no solution for you, but FW is preferred for my opinion.

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How can i upgrade? Flash it?

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skodapilot
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Posts: 463
Joined: 13 Jan 2014 06:18

Re: Coding mk4 caddy

Post by skodapilot » 11 May 2021 11:01

adrianmurtezaj wrote: 11 May 2021 10:34How can i upgrade? Flash it?
Yes. I don't know current version of FW, so downgrade in some case can be helpful too, i.e. 06**->05**

adrianmurtezaj
Posts: 6
Joined: 04 Dec 2020 21:56

Re: Coding mk4 caddy

Post by adrianmurtezaj » 11 May 2021 11:03

skodapilot wrote:
adrianmurtezaj wrote: 11 May 2021 10:34How can i upgrade? Flash it?
Yes. I don't know current version of FW, so downgrade in some case can be helpful too
Where can i find flash files for pq35 bcm?

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skodapilot
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Posts: 463
Joined: 13 Jan 2014 06:18

Re: Coding mk4 caddy

Post by skodapilot » 11 May 2021 11:05


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